Just like m4m
is "male (looking) for male," and m4f
is "male (looking) for female," m4g is "male for giraffe."
First appeared in the Penny Arcade
comic, "The Carnal Consonant," with the first reference to Tycho's affinity for giraffes appearing in "Savannah Heat."
from Penny Arcade was cruising Craigslist for some sweet m4g action when his wife caught him.
"We've been married ten years, alright? Sometimes a man needs a little G."